2152908 has 36 divisors (see below), whose sum is σ = 5518240. Its totient is φ = 707616.

The previous prime is 2152907. The next prime is 2152921. The reversal of 2152908 is 8092512.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2152903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2466 + ... + 3222.

2^2152908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2152908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2759120).

2152908 is an abundant number, since it is smaller than the sum of its proper divisors (3365332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2152908 is a wasteful number, since it uses less digits than its factorization.

2152908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 841 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2152908 is about 1467.2791145518. The cubic root of 2152908 is about 129.1244517382.

The spelling of 2152908 in words is "two million, one hundred fifty-two thousand, nine hundred eight".